News tagged with waste

Nurturing social innovation to reduce food waste

Innovation for more sustainable food systems is not just about improving food technology and communication activities. Social innovation also has a powerful role to play, according to Sophie Easteal of the ...

Jun 18, 2014
5 / 5 (1) 1

Making wealth from waste

We have killed for it, enslaved others to mine for it, and even built a world currency based on it. Gold. Homer described it as the glory of the immortals. The Incas simply called it the tears of the sun.

Jun 17, 2014
5 / 5 (1) 0

Clean power from waste heat

Siemens has developed a technology to use waste heat, which previously had gone unused, to generate electricity. The solution employs silicone oils, which have a lower enthalpy of vaporization than water, ...

Jun 05, 2014
5 / 5 (8) 1